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  • OGA GovSeismic SWoB ED50

    Publisher
    North Sea Transition Authority
    Updated
    8 July 2026
    OGA seismic acquisition in South West Britain during 2016
  • ASSET INFORMATION - DECOMMISSIONED FLOOD DEFENCES (POLYLINES)

    Publisher
    Environment Agency
    Updated
    18 September 2026
    Decommissioned details stored in AIMS as polyline assets. Attributes: asset end date, asset start date, decommission status, decommissioned status date. Attribution statement: © Environment Agency...
  • AIMS Instrument

    Publisher
    Environment Agency
    Updated
    18 September 2026
    An asset used to measure water level and flow Asset Sub-Types include: Active Monitoring Instrument, Passive Monitoring Instrument See the Data Requirements Library for more detail:...
  • AIMS Structure

    Publisher
    Environment Agency
    Updated
    18 September 2026
    An asset used to control the flow of water Asset Sub-Types include: Control Gate, Draw Off Tower, Fish Pass, Hydrobrake, In Channel Stoplogs, Inspection Chamber, Jetty, Outfall, Screen, Spillway,...
  • AIMS Channel

    Publisher
    Environment Agency
    Updated
    18 September 2026
    An asset that conveys water Asset Sub-Types include: Complex Culvert, Open Channel, Simple Culvert See the Data Requirements Library for more detail:...
  • AIMS Land

    Publisher
    Environment Agency
    Updated
    18 September 2026
    An area of land that is involved in water management. Asset Sub-Types include: Mudflats, Salt Marsh, Water Storage Area See the Data Requirements Library for more detail:...
  • Areas with critical drainage problems

    Publisher
    Environment Agency
    Updated
    18 September 2026
    The Development Management Procedure Order (2015) requires that the Environment Agency is consulted on developments within Areas with Critical Drainage Problems (ACDPs). This layer displays the...
  • Historical oyster habitat and fisheries in English coastal waters

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This dataset collates primary and secondary written sources from government, scientific, maritime and popular media accounts that mention the use and presence of the native oyster, Ostrea edulis,...
  • Indicative Flood Risk Areas - 1km Blue Squares

    Publisher
    Environment Agency
    Updated
    18 September 2026
    PLEASE NOTE: this dataset has been retired. It has been superseded by data for Flood Risk Areas: https://environment.data.gov.uk/dataset/f3d63ec5-a21a-49fb-803a-0fa0fb7238b6 The Indicative Flood...
  • Hydrometric Monitoring Points

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This record is for Approval for Access product AfA216. This dataset shows the (approximate) location of all current sites used for monitoring water quantity, including groundwater, rivers, lakes,...
  • Indicative Flood Risk Areas (shapefiles)

    Publisher
    Environment Agency
    Updated
    18 September 2026
    PLEASE NOTE: this dataset has been retired. It has been superseded by data for Flood Risk Areas: https://environment.data.gov.uk/dataset/f3d63ec5-a21a-49fb-803a-0fa0fb7238b6 Set of shapefiles...
  • Historic Saltmarsh Extent 1860

    Publisher
    Environment Agency
    Updated
    18 September 2026
    Historic saltmarsh extent derived from 1860 ordnance survey maps. Attribution statement: © Environment Agency copyright and/or database right 2023. All rights reserved. The digitised extent was...
  • Modelled fluvial flood depth data created 2004: 0.1 percent annual chance for grid reference TR

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 0.1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of...
  • Modelled fluvial flood depth data created 2004: 0.1 percent annual chance for grid reference TV

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 0.1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of...
  • Modelled fluvial flood depth data created 2004: 0.1 percent annual chance for grid reference TQ

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 0.1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of...
  • Modelled fluvial flood depth data created 2004: 1 percent annual chance for grid reference NT

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of the...
  • Modelled fluvial flood depth data created 2004: 1 percent annual chance for grid reference NU

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of the...
  • Modelled fluvial flood depth data created 2004: 1 percent annual chance for grid reference NY

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of the...
  • Modelled fluvial flood depth data created 2004: 1 percent annual chance for grid reference SD

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of the...
  • Modelled fluvial flood depth data created 2004: 1 percent annual chance for grid reference NX

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This modelled fluvial flood depth data was created for the 1% annual chance of flooding situations and was produced as a by-product from the 2004 generalised modelling project. The purpose of the...